An upper bound on the capacity of a cascade of nonlinear and noisy channels is presented.
The cascade mimics the split-step Fourier method for computing waveform propagation …

In order to characterize the channel capacity of a wavelength channel in a wavelength-
division multiplexed (WDM) system, statistical models are needed for the transmitted signals …

We propose a transponder-independent metric that can uniquely describe the performance
of dispersion uncompensated links. Derived from OSNR and performance measurements …

In this paper, an energy efficiency (EE) analysis for elastic optical networks (EONs)
considering the adaptive allocation of the transmitted power, spectrum bandwidth …

Future flexible transceivers will be able to adjust modulation format, symbol rate and FEC
scheme according to the channel and network conditions. This paper uses a combination of …

The joint iterative detection and decoding (JIDD) technique has been proposed by Barbieri
et al.(2007) with the objective of compensating the time-varying phase noise and constant …

The effect of amplified spontaneous emission (ASE) noise on the optical signal quality of
coherent optical communications, characterized by optical signal to noise ratio (OSNR) and …

Bit rate-distance product limits for uncompensated coherent multi-core fiber links under total
power constraint Page 1 Bit Rate-Distance Product Limits for Uncompensated Coherent …

We derive a closed-form formula for the nonlinear interference in few-mode fibers (FMFs) in
strong coupling regime. We also formulate an expression for the nonlinear FMFs capacity …

• Coherent optical transceivers are among the most complex devices designed by the
semiconductor industry▪ Ultra sophisticated signal processing and coding techniques▪ …